<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="vue.js"></script>
</head>
<body>
    <div id="app">
        <my-parent></my-parent>
    </div>
    <template id="parent">
        <div>
            <h3>手机信息搜索</h3>
            手机品牌:<input type="text" v-model="brand">
            <my-child v-bind:name="brand"></my-child>
        </div>
    </template>
    <template id="child">
        <ul>
            <li>手机品牌:{{show.brand}}</li>
            <li>手机型号:{{show.type}}</li>
            <li>市场价格:{{show.price}}</li>
        </ul>
    </template>
    <script>
    Vue.component('my-parent',{
        template:'#parent',
        data(){
            return{
                brand:''
            }
        }
    })
    Vue.component('my-child',{
        template:'#child',
        data(){
            return{
                content:[
                    {brand:'华为',type:'Mate20',price:3699},
                    {brand:'苹果',type:'iphone7',price:2949},
                    {brand:'三星',type:'Galaxy S8+',price:3299},
                    {brand:'vivo',type:'Z5X',price:1698},
                    {brand:'一加',type:'Oneplus7',price:2999},
                    {brand:'360',type:'N7 Pro',price:1099},
                    {brand:'oppo',type:'Reno',price:2599}
                ],
                show:{brand:'',type:'',price:''}
            }
        },
        props:['name'],
        watch:{
            name(){
                if(this.$props.name){
                    var found = false
                    this.content.forEach((value,index) =>{
                        if(value.brand === this.$props.name){
                            found = value
                        }
                    })
                    this.show = found ? found:{brand:'',type:'',price:''}
                }else{
                    return
                }
            }
        }
    })
        var vm = new Vue({
            el:'#app',
            data:{}
        })
    </script>
</body>
</html>